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- 1980 ,No. 1-3, 5-6. International labour documentation. Geneva : International Labour Office, 1980. 2 zv. mesačník [Copy count : 1, currently available 0, at library only 1]
- 1980 ,No. 7-12. International labour documentation. Geneva : International Labour Office, 1980. 2 zv. mesačník [Copy count : 1, currently available 0, at library only 1]